Senior / Staff Fullstack Engineer

Join Arista Networks as a Senior C++ Software Engineer, where you will play a pivotal role in developing innovative software solutions. Work closely with a talented team to design, implement, and optimize high-performance systems that drive our cutting-edge networking solutions.

Join Our Mission at EnodeAs the world transitions toward renewable energy, the pace of change must accelerate. At Enode, we are dedicated to unlocking this potential through innovative and connected solutions.Enode is at the forefront of the green energy revolution, offering a platform that connects and optimizes energy devices worldwide via our state-of-the-art APIs. By facilitating everything from electric vehicles to heat pumps, we enable flexible energy demand that prioritizes sustainability.Collaborating with leading energy firms and pioneering green tech innovators, we provide access to over 250 million consumers, empowering them to utilize energy in a more sustainable manner.In a critical moment for decarbonization, Enode is backed by top-tier investors including Y Combinator, Lowercarbon Capital, and Creandum. We are just beginning our journey and are eager to welcome builders and innovators to our passionate, mission-driven team.

Join our dynamic team at Rewardful, a proud brand of SaaS Group. As a Senior Software Engineer, you'll be integral in enhancing our affiliate management platform, making it easier for SaaS businesses to manage their affiliate programs since 2018.In this remote role, you will work closely with a distributed team to optimize our infrastructure and scale capabilities, ensuring our platform remains robust and reliable for our expanding user base.Your RoleAs a key member of our Engineering Team, you will:Design and implement innovative features that empower our merchants and affiliates.Make strategic decisions regarding architecture and technology.Develop scalable infrastructure solutions to facilitate growth.Manage containerized environments using Docker and Kubernetes.Support customer service by creating tools that streamline operations.Write automated tests and conduct code reviews to maintain high standards.Your Immediate Impact (First 3-6 Months)Tackle database scaling issues to accommodate our rapidly growing user base and increased traffic.Contribute to the planning and execution of our infrastructure migration from Heroku to a customizable cloud solution.Implement architectural changes to broaden our product offerings.

Join Sanity.io, a leader in AI-driven Content Operations. Our innovative AI Content Operating System empowers teams to design, generate, and automate content tailored to their business needs, enhancing digital transformation and boosting operational efficiency. Renowned companies such as SKIMS, Figma, Riot Games, Anthropic, COMPLEX, Nordstrom, and Morningbrew rely on Sanity to streamline and automate their content workflows.As a Senior Solutions Architect, you will play a pivotal role in ensuring our enterprise clients achieve success and satisfaction with our platform. Collaborating closely with technical leaders, you will align their strategic objectives with practical implementation details, facilitate brainstorming sessions among editors, designers, and developers, and guide developers in making informed decisions that cater to their unique business requirements.In this position, you will take charge of customer relationships, facilitating both internal and external discussions. You will also have the chance to deepen your understanding and expertise in the human aspects of technology.Key Responsibilities:Conduct onboarding workshops tailored to each customer's specific needs and background.Cultivate proactive relationships with technical and product stakeholders within our client organizations.Engage regularly with technical clients to showcase new features tailored to their needs, address inquiries, and assist in planning their implementation of Sanity.Collaborate with account managers to identify and develop expansion opportunities within existing accounts.Facilitate the new account sales cycle through technical workshops and proof of concept development.Create illustrative examples to aid clients in grasping concepts and accelerating implementation.Develop and maintain guides and learning modules addressing common topics.Design and maintain plugins for standard integrations and implementation patterns.Articulate client requests and requirements to the internal product team.Collaborate with Support Engineering to address customer challenges and resolve specific scenarios.

Canonical is at the forefront of open-source software, providing innovative solutions to the global enterprise and technology sectors. Our flagship platform, Ubuntu, powers cutting-edge initiatives in public cloud, data science, AI, engineering innovation, and IoT. We work with top-tier public cloud providers and industry leaders across various sectors. Our diverse team of over 1200 professionals in more than 75 countries thrives in a remote-first culture, collaborating in person a few times a year in exciting locations worldwide. We are committed to creating an inclusive, supportive environment for all our employees. We are seeking a passionate and skilled **C++/Rust Graphics and Windowing System Software Engineer** to join our team. In this role, you will contribute to the development of **Mir**, our high-performance technology stack for window managers and display subsystems, enhancing user experiences across graphical environments. Your work will enable a broad spectrum of graphics solutions, from single-purpose screens to comprehensive desktop environments, while ensuring compatibility with the Ubuntu certified hardware ecosystem. You will engage in design, development, testing of features, and actively collaborate with the community to address issues and respond to user inquiries. As part of our team, you will work primarily in C++, with an exciting transition towards Rust, making your expertise in both languages crucial. We are looking for candidates with a minimum of 2 years of industry experience, particularly those with a background in window compositing systems or graphics device development. Join us in our mission to create a remarkable developer experience, establish secure foundations, and provide effortless access to the most widely used graphics toolkits and libraries. This is a unique opportunity to significantly impact modern display technologies that will influence millions of developers and users. Canonical offers a dynamic team environment and ample opportunities for personal and professional growth across the open-source landscape.

Location: Fully remote position with significant overlap with the CET timezone (meetings expected between 16:00 and 18:00 CET)Classification: Full-time, 40 hours per weekPay Range: €80,000 to €140,000Position Overview:At Miaplaza, we are committed to transforming education through engaging and accessible online learning platforms. Our mission is to foster personalized learning experiences that empower students in a supportive and interactive environment. We aspire to enhance online education by implementing successful strategies from virtual learning to create an inclusive and effective curriculum platform that enables all students to thrive.As we expand our operations, we are seeking a Senior Full Stack Software Engineer to be an integral part of our team. You will collaborate with engineers of varying experience levels, seasoned hands-on engineering managers, and other dedicated team members, all focused on delivering a premier educational experience to learners from diverse backgrounds.Key Responsibilities:Architect, develop, and sustain robust web applications utilizing C# and Vue.jsWork closely with product and engineering managers, stakeholders, and cross-functional teams to define, prioritize, and implement impactful features for our usersProduce clean, maintainable, and testable codeGuide and mentor junior developers in code quality, design principles, and best practicesQualifications:A minimum of 6 years of professional software development experienceExpertise in the following areas, with strong proficiency in at least one:Modern C#/.NETVue.js or comparable reactive frameworks (e.g., React, Angular)CSS and contemporary front-end styling techniquesDatabase technologiesProven experience in leading complex engineering projects from design to executionStrong background in clean coding principles (maintainability, flexibility, extensibility)

This position welcomes candidates from LATAM, Africa, and Eastern Europe. Please note that due to our support for U.S.-based clients, candidates must be available to work during U.S. business hours aligned with the client’s time zone.At Scale Army Careers, we are always on the lookout for talented Software Engineers and Developers to join our expanding network. This is not a specific job application, but a proactive approach to building a pipeline for future opportunities. As part of our network, your profile will be considered for a variety of roles with our clients. If you have a background in software engineering or development, we would love to keep you in mind for upcoming vacancies.Whether your expertise lies in front-end or back-end development, mobile applications, or full-stack solutions, we value the importance of cultivating long-term professional relationships that benefit both you and the clients we serve. We seek self-driven, innovative engineers who are passionate about solving intricate challenges and delivering exceptional software.We encourage you to explore additional job openings on our job board as well!Key Responsibilities:Software Development: Design, develop, test, and maintain software applications across diverse platforms, including web, mobile, and cloud environments.Collaboration: Collaborate closely with cross-functional teams, including product managers, designers, and fellow developers, to deliver high-quality software solutions.Problem Solving: Diagnose issues and troubleshoot problems, offering efficient solutions to enhance performance and functionality.Code Quality & Review: Write clean, efficient, and scalable code while engaging in code reviews and adhering to best practices.Agile Development: Participate in agile development cycles, providing input during sprint planning, daily stand-ups, and retrospectives.Continuous Improvement: Keep abreast of the latest technologies and trends in software engineering and contribute to process enhancements.Why Join Us?If you’re eager to be part of a talent community for future Software Engineer and Developer roles, apply today! Even if we don’t have an immediate opening for you, we’d love to stay connected for when new opportunities arise.

Canonical, a pioneer in open source software and operating systems, is seeking a talented Software Engineer to contribute to dqlite, our innovative distributed SQLite database that utilizes our proprietary Raft library for consensus and replication. As a part of our dynamic team, you will enhance libraft, dqlite, and go-dqlite components, which play a crucial role in projects like MicroK8s and LXD. This remote position offers a unique opportunity to impact modern computing technologies significantly, while collaborating with a global team of over 1000 professionals across 70+ countries.

Join us at Linear, where we are redefining the landscape of software development. Our mission is to reinvigorate the software experience by empowering product teams with an innovative issue tracking and project management tool that marries stunning UI with unmatched performance. Since our inception in 2019, Linear has swiftly become the go-to platform for over 20,000 companies striving to elevate their product development processes.Operating fully remotely from day one, our dynamic team is spread across North America and Europe. We share a unified vision driven by a commitment to excellence, swift execution, and a genuine passion for software craftsmanship. As makers at heart, we place great importance on the quality of our work.In our tight-knit team, versatility is key; we embrace challenges and foster a culture of continuous learning. We are in search of seasoned professionals who can tackle complex problems in both product and code. Our technology stack prominently features TypeScript, enabling us to build scalable systems that support ongoing progress on a robust foundation. While expertise in every tool we utilize isn’t mandatory, a solid grounding in JavaScript and experience with React and TypeScript are essential.Please note: We are an equal opportunity employer and operate as a remote-only company. Currently, we can only consider candidates within most European time zones for this role.Your ResponsibilitiesDesign and develop new user-facing features utilizing visually appealing and scalable UI components.Collaborate closely with founders and design teams to swiftly implement innovative feature concepts.Construct intricate React components, from drag & drop functionalities to virtualized large data rendering.Integrate real-time collaborative editing capabilities into our content editor.Enhance application performance through careful profiling.Redefine and implement best-in-class software development processes to create a purpose-built product.Our Technology StackOur technology stack mirrors the systems we build and operate. While we don’t expect you to be proficient in every technology listed, you should be enthusiastic about collaborating on product development, performance optimization, and scaling real-world applications.Pluggable agentic workload system leveraging Temporal, designed for production-scale operations.Custom websocket data synchronization framework optimized for speed and offline capabilities.Frontend technologies include React, MobX, and styled-components.Robust, widely adopted GraphQL API and SDK.Backend technologies include Node.js, PostgreSQL, Temporal, and Redis.

About HoneAt Hone, we are pioneering the future of healthcare through our innovative online medical clinic. Our mission is to empower individuals to take charge of their health and enhance their longevity using state-of-the-art scientific advancements. Our team is the core of our success, and we embody our brand values in every project we undertake:Prioritize Patient NeedsExecute with DeterminationCommunicate EffectivelyCollaborate GenerouslyTransform Challenges into OpportunitiesPractice GratitudeAs a fully virtual organization from our inception, Hone remains committed to a remote-first work environment.The Ideal CandidateWe seek a mission-oriented, dynamic multitasker who finds fulfillment in impactful work. Our ideal candidate embraces change, approaches challenges with enthusiasm, and has a proactive mindset. You thrive in a fast-paced, high-growth organization with shifting priorities and excel in both independent and collaborative settings. Clear and open communication is your standard. You possess humble leadership qualities, driving initiatives forward while remaining eager for continuous learning and development. You are passionate about contributing to a team dedicated to promoting longer, healthier lives.The RoleWe are on the lookout for a Senior Software Developer to join our team. Reporting to the Senior Director of Software Development, you will be tasked with developing, enhancing, and maintaining our core applications built with C#/.NET. Your expertise will be instrumental in evolving our software solutions, ensuring they are high-performing, scalable, and reliable.

Join Fi - Pioneering the Future of Pet Technology!At Fi, we are a dedicated team comprised of talent from renowned companies like Square, Google, TikTok, Peloton, and Uber, united by a common goal: to enhance the bond between pets and their owners. Our mission is to innovate state-of-the-art technology that redefines pet parenting. The pet industry is overdue for a transformation, and we are leading the change. With advancements like real-time location tracking, activity monitoring, and behavior analysis, we are just scratching the surface.What excites us most is our commitment to bridging the communication gap between pets and humans. Imagine a reality where pet owners can instantly understand their pets' feelings and ensure their well-being. This is the future we are building at Fi.If you thrive in an innovative and collaborative environment and are passionate about improving the lives of pets, we would love to have you on our team. Join us as we strive to achieve what seems impossible, or as we like to say, "let me find a way" to reshape the future of pet ownership.We are seeking a Senior Software Engineer!As a key member of our engineering team, you will report directly to the Backend Lead and play a vital role in steering our technical vision. You relish the challenge of converting ideas into exceptional solutions and possess expertise in a range of backend technologies as well as a solid understanding of best architectural practices.

About XBOWJoin us at XBOW as we redefine the future of offensive security. In a world where attackers leverage AI to outpace defenders, we are developing an innovative platform that ensures security stays a step ahead. Our AI-driven system autonomously identifies, validates, and even exploits vulnerabilities, delivering proof-backed results in hours instead of weeks.Founded by Oege de Moor, the visionary behind GitHub Copilot, and supported by top-tier investors such as Sequoia and Altimeter, XBOW is tackling one of the most pressing challenges of our time with cutting-edge AI technology. Within just over a year, our elite AI team and renowned security researchers have discovered thousands of real-world zero-day vulnerabilities, earning us the top spot on HackerOne’s global leaderboard.We are a community of builders, hackers, and researchers who thrive on overcoming challenges deemed impossible. If you are passionate about pushing the limits of AI and transforming security practices, we would love to connect with you.Your Role: Software Engineer - ConsoleWe are seeking a dedicated Software Engineer who is enthusiastic about crafting reliable, high-quality products with robust backend systems. In this position, you will design and implement comprehensive features across the technology stack: from React-based frontends and TypeScript APIs to backend services in Kotlin and Go, all deployed on AWS.You will be part of a small, exceptional team that delivers quickly and operates with a high degree of trust. This role is suited for individuals who enjoy tackling open-ended problems, whether that involves crafting seamless API contracts, optimizing database interactions, or building scalable systems that enhance powerful AI functionalities. If you thrive at the intersection of advanced technology and real-world impact, you will feel right at home here.What You Will DoDesign and develop full-stack systems that ensure seamless integration between frontend and backend.Create scalable APIs and backend services using TypeScript, Kotlin, and Go.Deploy and manage services in AWS and other cloud environments.Take ownership of problems from design through deployment to production support.Navigate through uncertainty and contribute to defining our development processes.Collaborate closely with teammates from various disciplines, including AI researchers, security experts, and backend engineers.

About Medallion:At Medallion, we are dedicated to allowing healthcare teams to concentrate on their core mission—providing outstanding patient care. Our innovative provider operations platform is designed to eliminate administrative hurdles that hinder healthcare organizations. Through automation of licensing, credentialing, payer enrollment, and compliance monitoring, we empower healthcare operations teams to optimize their workflows, enhance provider satisfaction, and boost revenue generation, all while ensuring excellent patient outcomes.Recognized as one of the fastest-growing healthcare technology firms—ranked No. 3 on Inc. Magazine’s 2024 Fastest-Growing Private Companies in the Pacific Region, No. 5 on LinkedIn's 2024 Top Startups in the US, and awarded as a Glassdoor Best Place to Work in 2024 & 2025—Medallion is transforming provider network management. Our CEO, Derek Lo, has been honored as one of the Top 50 Healthcare Technology CEOs of 2024 by The Healthcare Technology Report. With $130M in funding from premier investors including Sequoia Capital, Google Ventures, and Salesforce Ventures, we are on a mission to revolutionize healthcare at scale.We prioritize candidate safety. Please be aware that all official communication will exclusively come from @medallion.co email addresses.

About UsSparrow is a pioneering high-tech, high-touch solution for managing employee leave. Our mission is to simplify the leave process for companies, enabling them to support their employees through various types of leave, including family and medical leave.The traditional leave management process can be cumbersome and overwhelming. Company leaders face constant challenges in keeping up with evolving regulations, while employees navigating their leave often encounter unnecessary bureaucracy at a critical time in their careers. At Sparrow, we streamline this typically tedious and error-prone process into an efficient 30-minute experience, saving our clients significant time (20-40 hours per leave) and potential costs (up to $30,000 per leave).Headquartered in San Francisco, we are a diverse team with remote employees across the nation. We pride ourselves on being a collaborative, talented, and supportive workforce, dedicated to solving real-world problems.About the RoleAs we expand rapidly, we seek product-focused full-stack software engineers to join our dynamic engineering team. In this role, you will:Collaborate closely with engineering and cross-functional teams (sales, operations) to define, scope, and develop the engineering roadmap.Design and implement new features and products that enhance the experience for both employees and employers.Utilize software to optimize internal processes, enabling more efficient scaling.Invest in engineering health and processes, ensuring sustainable and secure development practices.Mentor and support fellow engineers on the team.About YouWe are looking for candidates who possess:5+ years of experience as a software engineer.The ability to collaborate effectively with both engineers and non-technical teams.Strong written and verbal communication skills.A knack for simplifying complex domains into manageable components.Familiarity with modern software tools and processes (git, CI/CD, testing, deployment, cloud services, etc.).Experience with our technical stack (Django, React, Python, JS, Postgres, Heroku) is a plus, but not mandatory.Above all, we seek individuals who are passionate about leveraging technology to address challenging problems, who enjoy crafting beautiful and functional products, and who resonate with our mission. If this sounds like you, we’d love to hear from you!

Role overview The Partnership Manager at Lokalise will focus on developing and maintaining important business relationships. The role centers on managing partnerships that drive mutual growth and align with Lokalise’s goals. Collaboration with various internal teams is essential to identify new opportunities and support the launch of initiatives that advance the company’s objectives. Location This position is fully remote and open to candidates located anywhere in Europe. Work from your preferred location within the region while staying connected to a supportive, collaborative team.

Join Tether and Transform the Digital Finance LandscapeAt Tether, we are not just creating products; we are at the forefront of a global financial revolution. Our advanced solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to effortlessly integrate reserve-backed tokens across blockchains. Leveraging the power of blockchain technology, Tether allows you to store, send, and receive digital tokens instantly, securely, and globally, all at a significantly reduced cost. Transparency underpins every aspect of our operations, fostering trust in each transaction.Innovate with TetherTether Finance: Our groundbreaking product suite includes the world's most trusted stablecoin, USDT, utilized by hundreds of millions globally, along with pioneering digital asset tokenization services.And that’s just the beginning:Tether Power: Driving sustainable growth, our energy solutions optimize surplus power for Bitcoin mining through eco-friendly practices in state-of-the-art, geo-diverse facilities.Tether Data: Enabling innovations in AI and peer-to-peer technology, we lower infrastructure costs and enhance global communications with advanced solutions like KEET, our flagship app that redefines secure and private data sharing.Tether Education: Making top-tier digital learning accessible, we empower individuals to excel in the digital and gig economies, fueling global growth and opportunity.Tether Evolution: At the nexus of technology and human potential, we are expanding the boundaries of what is possible, shaping a future where innovation and human capabilities converge in powerful, unprecedented ways.Why Join Us?Our team is a global talent powerhouse, working remotely from every corner of the world. If you're eager to make a significant impact in the fintech space, this is your chance to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve experienced rapid growth while maintaining a lean structure and securing our position in the market.

Become a Key Player in the Digital Finance Revolution with TetherAt Tether, we are not just creating products; we are at the forefront of a global financial transformation. Our state-of-the-art solutions empower a diverse range of businesses—from exchanges and wallets to payment processors and ATMs—to effortlessly integrate reserve-backed tokens across various blockchains. By leveraging blockchain technology, Tether provides the ability to store, send, and receive digital tokens instantaneously, securely, and globally, all while minimizing costs. Transparency is the cornerstone of our operations, ensuring trust in every transaction.Innovate with TetherTether Finance: Our exceptional product suite boasts the world’s most trusted stablecoin, USDT, relied upon by millions globally, along with cutting-edge digital asset tokenization services.But that’s just the tip of the iceberg:Tether Power: Our energy solutions promote sustainable growth by optimizing excess power for Bitcoin mining, utilizing eco-friendly practices in advanced, geographically diverse facilities.Tether Data: Advancing breakthroughs in AI and peer-to-peer technology, we focus on reducing infrastructure costs and improving global communications through innovative solutions like KEET, our flagship application that redefines safe and private data sharing.Tether Education: We are dedicated to democratizing access to premier digital learning, empowering individuals to thrive in the digital and gig economies, which fosters global growth and opportunities.Tether Evolution: At the intersection of technology and human potential, we are redefining the limits of innovation, crafting a future where technology and human abilities converge in extraordinary ways.Why Join Us?Our team comprises a global talent powerhouse, working remotely from all corners of the globe. If you are eager to make a significant impact in the fintech sector, this is your chance to collaborate with some of the brightest minds, pushing boundaries and setting new benchmarks. We have experienced rapid growth while remaining agile, securing our position as a leader in the industry.

Become a Catalyst for Change in Digital Finance with TetherAt Tether, we’re not merely creating products; we’re spearheading a global financial transformation. Our advanced solutions empower businesses—from cryptocurrency exchanges and wallets to payment processors and ATMs—to seamlessly incorporate reserve-backed tokens across diverse blockchains. By leveraging the capabilities of blockchain technology, Tether allows you to store, send, and receive digital tokens instantly, securely, and worldwide, all while minimizing costs. Transparency is fundamental to our mission, ensuring trust in every transaction.Innovate with TetherTether Finance: Our groundbreaking product suite includes the world’s most trusted stablecoin, USDT, relied upon by millions globally, alongside pioneering digital asset tokenization services.But that’s just the beginning:Tether Power: Fostering sustainable growth, our energy solutions optimize excess power for Bitcoin mining employing eco-friendly practices in advanced, geo-diverse facilities.Tether Data: Driving advancements in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship application that redefines secure and private data sharing.Tether Education: Democratizing access to premium digital learning, we empower individuals to excel in the digital and gig economies, fostering global growth and opportunity.Tether Evolution: At the nexus of technology and human potential, we are extending the limits of what’s achievable, shaping a future where innovation and human capabilities converge in powerful, unprecedented ways.Why Join Us?Our team is a global talent powerhouse, collaborating from every corner of the globe. If you’re passionate about making a significant impact in the fintech industry, this is your chance to work alongside some of the brightest minds, pushing boundaries and establishing new benchmarks. We’ve experienced rapid growth, maintained agility, and secured our position as a leader in the industry.

Join a Dynamic Team Where Art Meets Science!Known is an innovative marketing agency, expertly designed to tackle the unique challenges and seize the unprecedented opportunities facing today's marketers. Our diverse team of over 250 professionals includes PhD-level data scientists, award-winning creatives, skilled strategists, and expert researchers, all working together to create groundbreaking and culturally resonant work. We believe that genuine collaboration between creativity, science, strategy, and technology leads to extraordinary outcomes.Recognized by Ad Age as one of the top agencies in the industry, we are incredibly proud to have been awarded a spot on The Agency A-List for 2024 & 2025 and to be celebrated as Ad Age’s Data & Insights Agency of the Year for three consecutive years. Our partnerships with leading brands across finance, technology, entertainment, media, CPG, real estate, and beyond are the cornerstone of our success, enabling us to receive numerous accolades including Emmys, Clios, Effies, Cannes Lions Awards, and more.At Known, we are committed to hiring the best talent. Being a Knowner means you are a curious innovator, a knowledge-seeker who is dedicated to continuous improvement for our clients, our team, and the world. Our offices across the U.S. are open, and while many team members enjoy a hybrid working model, we embrace a distributed workforce with numerous Knowners working remotely.Now, Let's Focus on You!As a Senior Software Engineer at Known, you will engage in a variety of projects within small, focused teams, allowing you to significantly shape our products, team practices, and the overall technical culture of the organization! Given the project-driven nature of our work, you’ll consistently have the opportunity to learn new skills and master industry-leading technologies. On the backend, you will design and implement distributed systems, API endpoints, event-driven microservices, asynchronous and parallel programming, as well as data pipelines and reporting systems.